Higher percentage of CD133+ cells is associated with poor prognosis in colon carcinoma patients with stage IIIB

Table 2 Assessment of overall survival for stage IIIB colon carcinoma patients by clinicopathological parameters with univariate and multivariate analysis

Clinicopaothological characteristics	N (n = 104)	5-year survival	Kaplan-Meier analysis P value	Cox regression model analysis P value
		64.4%
Gender			0.461	0.479
male	65	61.5%
female	39	69.2%
		64.4%
Age			0.148	0.211
≥ 60 year old	57	57.9%
<60 year old	47	72.3%
		64.4%
Sites of primary mass			0.291	0.381
Left hemicolon	60	68.3%
Right hemicolon	44	59.1%
		64.4%
Pathological classifications			0.423	0.139
papillary + tubular	82	65.9%
mucoid + signet ring	22	59.1%
		64.4%
Grades			0.154	0.114
G1	5	60%
G2	80	68.8%
G3	19	47.4%
		64. 4%
Invasive depth			0.001	0.002
T3	92	69.6%
T4	12	25.0%
		64.4%
The percentage of CD133⁺ cells			0.001	0.004
≥5% CD133 positive	42	45.2%
<5%CD133 positive	62	77.4%

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